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ZIP52 FINISHING - PF .
OPERATING MANUAL
EDITION 01 /2010
PART NO. ZZB012ENG
6 FAULT LOCATION, MAINTENANCE AND REPAIR
6.1 TROUBLE SHOOTING AND SOLUTION
Problem Solution
The pump does not
start
Check the line and the air cutoff valve
Check the air treatment group if installed
Check the opening of any valves present on the
suction and delivery lines.
Close the air on-off valve and reopen it rapidly after
having increased the pressure
Only for FINISHING: check the pressure value of the
paint reducer
The unit is working
(i.e.:the pump is
moving),but not
liquid is coming out
Accurately clean the fi lter if
installed
Check liquid level
Check suction pipe
Poor spray pattern See gun instructions
The product fl ow
into the delivery is
discontinuous
Check that the suction pipe is not clogged
Check that the pump is not cavitating
There may be impurities on the valve seats
The pump delivery
decreases during
work
Partial obstruction on delivery line
Slight variations of product characteristics (such as
viscosity)
Ice formation inside the air outlet pipes
The pump delivery
decreases during
work, up to the
point when it stops
completely
Complete obstruction on delivery line
Strong variations of product characteristics (such as
viscosity)
The unit stops
frequently
Increase the air pressure
Adjust the lubricator output if
installed
Put antifreezer in the lubricator and put an effi cient
condensate separator on the air line if installed
The equipment
remains in operation
even with the delivery
on-off valve closed.
Check the product cutoff valve and the outlet valve
seals
There may be impurities on
the valve seats
If the problem is not listed above consult your WAGNER Service Center.